Electrodeless side-mounted LED string light, method and apparatus for manufacturing the same

Abstract

An electrodeless side-mounted LED string light, a method and an apparatus for manufacturing the same are provided by the disclosure. The electrodeless side-mounted LED string light includes: a first wire and a second wire, a plurality of LED units and a plurality of encapsulants. Each LED unit includes a first surface-mounted LED and a second surface-mounted LED. Luminous surfaces of the first and second surface-mounted LEDs are opposite to each other. The luminous surfaces of the first and second surface-mounted LEDs are perpendicular to an axial direction of the first and second wires. The plurality of encapsulants respectively encapsulants the first and second surface-mounted LEDs therein. With the electrodeless side-mounted LED string light of the disclosure, the utilization rate of the lighting wire of the string light is improved, the utilization rates of raw materials and apparatus are improved, the product quality and manufacturing efficiency are improved.

What is claimed is: 
     
       1. An apparatus for manufacturing a side-mounted LED string light, comprising:
 a wire supply mechanism configured to supply a first wire and a second wire side by side; 
 a wire stripping mechanism configured to strip off insulating layers on surface of the first wire and the second wire at a set interval to form first and second welding spots, and wherein the first welding spots are in one-to-one correspondence with the second welding spots to form welding light regions; 
 a spot-welding material mechanism configured to apply welding materials onto surfaces of the first welding spots and the second welding spots; 
 a LED placing mechanism configured to place first surface-mounted LEDs and second surface-mounted LEDs at the welding light regions, wherein luminous surfaces of the first surface-mounted LEDs are opposite to luminous surfaces of the second surface-mounted LEDs, the luminous surfaces of the first surface-mounted LEDs face a front side along an axial direction of the wire, the luminous surfaces of the second surface-mounted LEDs face a rear side along an axial direction of the wire, positions of positive electrodes and negative electrodes of the first surface-mounted LED and the second surface-mounted LED are oppositely disposed, and the first surface-mounted LEDs and the second surface-mounted LEDs are transported to a welding station by a wire transporting mechanism; 
 a welding mechanism configured to weld two weld legs of the first surface-mounted LED and the second surface-mounted LED onto the first welding spot and the second welding spot, respectively; 
 a detection mechanism configured to detect welding quality of the first surface-mounted LEDs and the second surface-mounted LEDs; 
 an encapsulating mechanism configured to encapsulate the first surface-mounted LEDs and the second surface-mounted LEDs in encapsulants to form lighting beads; and 
 a wire transporting mechanism configured to transport the first wire and the second wire, 
 wherein the LED placing mechanism comprises:
 a feeding assembly configured to supply the first surface-mounted LEDs and the second surface-mounted LEDs; 
 a transit positioning assembly provided with a placement site for placing the first surface-mounted LEDs and the second surface-mounted LEDs flat; 
 a robotic suction assembly configured to suction the first surface-mounted LEDs or the second surface-mounted LEDs from the feeding assembly, and placing the first surface-mounted LEDs or the second surface-mounted LEDs on the placement site of the transit positioning assembly; and 
 a rotary surface-mounting assembly configured to grab the first surface-mounted LEDs from the placement site of the transit positioning assembly, and drive the first surface-mounted LEDs to side-mount on the welding light regions after 90 degrees of rotation in a clockwise or an anticlockwise direction, and, configured to grab the second surface-mounted LEDs from the placement site of the transit positioning assembly, and drive the second surface-mounted LEDs to surface-mount on the welding light regions after 90 degrees of rotation in a direction opposite to the clockwise or anticlockwise direction. 
 
 
     
     
       2. The apparatus for manufacturing the side-mounted LED string light according to  claim 1 , wherein a wire forming mechanism is provided between the spot-welding material mechanism and the LED placing mechanism, the wire forming mechanism comprises:
 an upper forming mold provided with a trunking through which the first wire and the second wire pass; 
 a platen assembly comprising a platen located above the upper forming mold and capable of lifting up and down and a platen driving device for driving the platen to lift up and down; 
 a lower forming mold capable of lifting up and down with respect to the upper forming mold, the lower forming mold comprising a punch for bending both of the first welding spots of the first wire and the second welding spots of the second wire outward to form bent portions; and 
 a lower forming mold driving device configured to drive the lower forming mold to lift up and down.